Home / 208,754,522.12-288,064,440.32-120,654,226.04

Finding the Fourth Proportional to 208,754,522.12, 288,064,440.32 and 120,654,226.04

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Solution

The fourth proportional to 208,754,522.12, 288,064,440.32 and 120,654,226.04 is: 166,493,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,754,522.12 : 288,064,440.32 = 120,654,226.04 : x
  2. Step 2: Convert to fraction form
    208,754,522.12/288,064,440.32 = 120,654,226.04/x
  3. Step 3: Cross multiply
    208,754,522.12x = 288,064,440.32 × 120,654,226.04
  4. Step 4: Simplify right side
    208,754,522.12x = 34,756,192,096,455,372
  5. Step 5: Solve for x
    x = 34,756,192,096,455,372/208,754,522.12
  6. Step 6: Final answer
    x = 166,493,121.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.